I found a set of plugs at home, they are 'Champion N9YC' (I assume that's the code I'm supposed to be quoting ), I think they were bought for a minor but I've no idea which engine size.
Would they be suitable for a 1275 Midget engine?
Thanks
Andy W____________1961 2-door 948cc (Sidney)_____________1963 2-door 1275cc (Emily)_______